
5.3.1.4.1.Type an IP Protocol Number in the Proto
Note - ItNumrangesboxfrom. 0 to 255, but can not be 6 (TCP) or 17 (UDP); otherwise, this port filter will not work.
5.3.1.4.2.Select a traffic direction from the
drop-down  list: Inbound Outbound and Both.
5.3.1.4.3.Select an option from the Protocol 
5.3.1.5.Optional. Select Enable or Disable for the following additional filtering options:
| Paramet | Description | 
| er | 
 | 
| 
 | 
 | 
| NAT | Allows you to set up NAT (Network Access | 
| 
 | Translation). | 
| 
 | 
 | 
| Firewall | Allows you to protect your network with a | 
| 
 | firewall. | 
| 
 | 
 | 
| Remote | Allows you to access your router’s | 
| Manage | |
| ment | WAN connection. | 
| 
 | 
 | 
| IPSec | Allows you to use IP Security Pass Through. | 
| Pass | 
 | 
| Through | 
 | 
| 
 | 
 | 
| PPTP | Allows you to use PPTP  | 
| Pass | Tunneling Protocol), used to enable VPN | 
| Through | sessions. | 
| 
 | 
 | 
| Intrusion | Allows you to detect and record intrusion | 
| Detect | attempts into your network. | 
| 
 | 
 | 
5.3.1.6.When you have completed editing all the settings, click Apply, or click Cancel to undo your changes.
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